Seiko Cal. 6649 - 723

The 6649-723 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-317e2ec8ff82]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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